GB1424390A - Resistors for spark plugs - Google Patents

Resistors for spark plugs

Info

Publication number
GB1424390A
GB1424390A GB4433873A GB4433873A GB1424390A GB 1424390 A GB1424390 A GB 1424390A GB 4433873 A GB4433873 A GB 4433873A GB 4433873 A GB4433873 A GB 4433873A GB 1424390 A GB1424390 A GB 1424390A
Authority
GB
United Kingdom
Prior art keywords
glass
resistor
resistance material
spark plug
sno
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4433873A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
NipponDenso Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Central R&D Labs Inc, NipponDenso Co Ltd filed Critical Toyota Central R&D Labs Inc
Publication of GB1424390A publication Critical patent/GB1424390A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H01T13/41—Sparking plugs structurally combined with other devices with interference suppressing or shielding means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Non-Adjustable Resistors (AREA)
  • Spark Plugs (AREA)

Abstract

1424390 Resistor composition NIPPONDENSO CO Ltd and TOYOTA CHUO KENKYUSHO KK 21 Sept 1973 [22 Sept 1972] 44338/73 Heading C1M [Also in Division F1] A resistor (e.g. for use in a spark plug) consists of glass and a resistance material comprising, in weight per cent, 1-30% tantalum oxide, 63-98% tin oxide and 0À7-9À9% antimony oxide; the components of the resistance material being adhered together by said glass. Preferably the resistor consists of 40-90 weight per cent resistance material and the balance glass. Amongst the oxides which may be used are Ta 2 O 3 , Ta 2 O 5 , SnO, SnO 2 , Sb 2 O 3 and Sb 2 O 4 , and the glass is preferably a borosilicate. The resistance material may be mixed with the glass and a binder, e.g. polyvinyl alcohol, introduced into the bore of insulator 4 (Fig. 7) of a spark plug, heated to softening (e.g. 850‹ C.) and cooled, after inserting central conductor 1, to form a resistor portion 2 of resistance 3-20 kilohms. Alternatively, the same mixture may be moulded to form a cylindrical resistor 2<SP>1</SP> (Fig. 8), which is placed between spring 8 and central conductor 1<SP>1</SP> of a spark plug.
GB4433873A 1972-09-22 1973-09-21 Resistors for spark plugs Expired GB1424390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47095439A JPS529314B2 (en) 1972-09-22 1972-09-22

Publications (1)

Publication Number Publication Date
GB1424390A true GB1424390A (en) 1976-02-11

Family

ID=14137719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4433873A Expired GB1424390A (en) 1972-09-22 1973-09-21 Resistors for spark plugs

Country Status (4)

Country Link
US (1) US3915721A (en)
JP (1) JPS529314B2 (en)
CA (1) CA1013938A (en)
GB (1) GB1424390A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171692A (en) * 1985-02-25 1986-09-03 Cts Corp Base metal resistive paints

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065743A (en) * 1975-03-21 1977-12-27 Trw, Inc. Resistor material, resistor made therefrom and method of making the same
JPS586138Y2 (en) * 1976-02-26 1983-02-02 株式会社富士通ゼネラル Deflection coil fixing device
US4215020A (en) * 1978-04-03 1980-07-29 Trw Inc. Electrical resistor material, resistor made therefrom and method of making the same
US4293838A (en) * 1979-01-29 1981-10-06 Trw, Inc. Resistance material, resistor and method of making the same
US6787068B1 (en) * 1999-10-08 2004-09-07 E. I. Du Pont De Nemours And Company Conductor composition
US7019448B2 (en) * 2003-11-05 2006-03-28 Federal-Mogul World Wide, Inc. Spark plug having a multi-tiered center wire assembly
US7455537B2 (en) * 2006-06-16 2008-11-25 Briggs & Stratton Corporation Spark plug boot
WO2008154115A2 (en) 2007-05-17 2008-12-18 Federal-Mogul Ignition Company Small-diameter spark plug with resistive seal
DE102018221690A1 (en) * 2018-12-13 2020-06-18 Robert Bosch Gmbh Spark plug resistance element and spark plug
CN110668808B (en) * 2019-10-17 2022-07-22 新疆大学 SnO with high nonlinearity, low residual voltage and large through-current capacity for power transmission of power system2Preparation method of piezoresistor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152655A (en) * 1939-04-04 Spark plug insulator
US2864773A (en) * 1954-01-26 1958-12-16 Gen Motors Corp Semi-conductor composition
US2853392A (en) * 1954-08-26 1958-09-23 Rca Corp Ceramic dielectric materials
US2885521A (en) * 1957-02-11 1959-05-05 Horizons Inc Non-linear electric resistor
US3062668A (en) * 1960-03-30 1962-11-06 Itt Dielectric materials and processes of manufacturing same
US3235655A (en) * 1962-12-31 1966-02-15 Gen Motors Corp Resistor composition and devices embodying same
US3660124A (en) * 1968-06-25 1972-05-02 Tdk Electronics Co Ltd Ceramic dielectric compositions comprising calcium, lanthanum and lead titanates
JPS493816B1 (en) * 1969-10-11 1974-01-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171692A (en) * 1985-02-25 1986-09-03 Cts Corp Base metal resistive paints

Also Published As

Publication number Publication date
CA1013938A (en) 1977-07-19
JPS4951426A (en) 1974-05-18
US3915721A (en) 1975-10-28
JPS529314B2 (en) 1977-03-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee